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[v5.15] INFO: task hung in ethnl_set_channels
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Jun 4, 2024, 8:55:25 PM
Jun 4
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Hello,
syzbot found the following issue on:
HEAD commit: c61bd26ae81a Linux 5.15.160
git tree: linux-5.15.y
console output:
https://syzkaller.appspot.com/x/log.txt?x=1737a306980000
kernel config:
https://syzkaller.appspot.com/x/.config?x=235f0e81ca937c17
dashboard link:
https://syzkaller.appspot.com/bug?extid=1d575ff8d4d3cb78386f
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image:
https://storage.googleapis.com/syzbot-assets/d61a97eef8b9/disk-c61bd26a.raw.xz
vmlinux:
https://storage.googleapis.com/syzbot-assets/ab4908b4b59b/vmlinux-c61bd26a.xz
kernel image:
https://storage.googleapis.com/syzbot-assets/d818fd46802b/bzImage-c61bd26a.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by:
syzbot+1d575f...@syzkaller.appspotmail.com
INFO: task syz-executor.1:6806 blocked for more than 143 seconds.
Not tainted 5.15.160-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26432 pid: 6806 ppid: 4192 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
ethnl_set_channels+0x246/0x1210 net/ethtool/channels.c:136
genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
genl_rcv_msg+0xfbd/0x14a0 net/netlink/genetlink.c:792
netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2508
genl_rcv+0x24/0x40 net/netlink/genetlink.c:803
netlink_unicast+0x7b
---
This report is generated by a bot. It may contain errors.
See
https://goo.gl/tpsmEJ
for more information about syzbot.
syzbot engineers can be reached at
syzk...@googlegroups.com
.
syzbot will keep track of this issue. See:
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for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
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